src/hotspot/share/runtime/vm_operations.cpp

rev 47287 : Port 09.17.Thread_SMR_logging_update from JDK9 to JDK10
rev 47289 : eosterlund, stefank CR - refactor code into threadSMR.cpp and threadSMR.hpp
rev 47290 : eosterlund CR - need more inline fixes.
rev 47291 : eosterlund, stefank CR - more inline and style cleanups
rev 47292 : stefank, coleenp CR - refactor most JavaThreadIterator usage to use JavaThreadIteratorWithHandle.

*** 146,160 ****
  
  #ifndef PRODUCT
  
  void VM_DeoptimizeAll::doit() {
    DeoptimizationMarker dm;
!   ThreadsListHandle tlh;
!   JavaThreadIterator jti(tlh.list());
    // deoptimize all java threads in the system
    if (DeoptimizeALot) {
!     for (JavaThread* thread = jti.first(); thread != NULL; thread = jti.next()) {
        if (thread->has_last_Java_frame()) {
          thread->deoptimize();
        }
      }
    } else if (DeoptimizeRandom) {
--- 146,159 ----
  
  #ifndef PRODUCT
  
  void VM_DeoptimizeAll::doit() {
    DeoptimizationMarker dm;
!   JavaThreadIteratorWithHandle jtiwh;
    // deoptimize all java threads in the system
    if (DeoptimizeALot) {
!     for (; JavaThread *thread = jtiwh.next(); ) {
        if (thread->has_last_Java_frame()) {
          thread->deoptimize();
        }
      }
    } else if (DeoptimizeRandom) {
*** 161,171 ****
  
      // Deoptimize some selected threads and frames
      int tnum = os::random() & 0x3;
      int fnum =  os::random() & 0x3;
      int tcount = 0;
!     for (JavaThread* thread = jti.first(); thread != NULL; thread = jti.next()) {
        if (thread->has_last_Java_frame()) {
          if (tcount++ == tnum)  {
          tcount = 0;
            int fcount = 0;
            // Deoptimize some selected frames.
--- 160,170 ----
  
      // Deoptimize some selected threads and frames
      int tnum = os::random() & 0x3;
      int fnum =  os::random() & 0x3;
      int tcount = 0;
!     for (; JavaThread *thread = jtiwh.next(); ) {
        if (thread->has_last_Java_frame()) {
          if (tcount++ == tnum)  {
          tcount = 0;
            int fcount = 0;
            // Deoptimize some selected frames.
*** 423,435 ****
  
    int num_active = 0;
  
    _shutdown_thread = thr_cur;
    _vm_exited = true;                                // global flag
!   ThreadsListHandle tlh;
!   JavaThreadIterator jti(tlh.list());
!   for (JavaThread *thr = jti.first(); thr != NULL; thr = jti.next()) {
      if (thr!=thr_cur && thr->thread_state() == _thread_in_native) {
        ++num_active;
        thr->set_terminated(JavaThread::_vm_exited);  // per-thread flag
      }
    }
--- 422,432 ----
  
    int num_active = 0;
  
    _shutdown_thread = thr_cur;
    _vm_exited = true;                                // global flag
!   for (JavaThreadIteratorWithHandle jtiwh; JavaThread *thr = jtiwh.next(); ) {
      if (thr!=thr_cur && thr->thread_state() == _thread_in_native) {
        ++num_active;
        thr->set_terminated(JavaThread::_vm_exited);  // per-thread flag
      }
    }
*** 458,474 ****
    int max_wait_compiler_thread = 1000;            // at least 10 seconds
  
    int max_wait = max_wait_compiler_thread;
  
    int attempts = 0;
!   ThreadsListHandle tlh;
!   JavaThreadIterator jti(tlh.list());
    while (true) {
      int num_active = 0;
      int num_active_compiler_thread = 0;
  
!     for (JavaThread *thr = jti.first(); thr != NULL; thr = jti.next()) {
        if (thr!=thr_cur && thr->thread_state() == _thread_in_native) {
          num_active++;
          if (thr->is_Compiler_thread()) {
            num_active_compiler_thread++;
          }
--- 455,471 ----
    int max_wait_compiler_thread = 1000;            // at least 10 seconds
  
    int max_wait = max_wait_compiler_thread;
  
    int attempts = 0;
!   JavaThreadIteratorWithHandle jtiwh;
    while (true) {
      int num_active = 0;
      int num_active_compiler_thread = 0;
  
!     jtiwh.rewind();
!     for (; JavaThread *thr = jtiwh.next(); ) {
        if (thr!=thr_cur && thr->thread_state() == _thread_in_native) {
          num_active++;
          if (thr->is_Compiler_thread()) {
            num_active_compiler_thread++;
          }